117788016 has 80 divisors (see below), whose sum is σ = 314265600. Its totient is φ = 37995264.

The previous prime is 117788009. The next prime is 117788017. The reversal of 117788016 is 610887711.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (117788017) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 245665 + ... + 246143.

It is an arithmetic number, because the mean of its divisors is an integer number (3928320).

Almost surely, 2^117788016 is an apocalyptic number.

117788016 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 117788016, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (157132800).

117788016 is an abundant number, since it is smaller than the sum of its proper divisors (196477584).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

117788016 is a wasteful number, since it uses less digits than its factorization.

117788016 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 646 (or 640 counting only the distinct ones).

The product of its (nonzero) digits is 18816, while the sum is 39.

The square root of 117788016 is about 10853.0187505597. The cubic root of 117788016 is about 490.1929213958.

The spelling of 117788016 in words is "one hundred seventeen million, seven hundred eighty-eight thousand, sixteen".